Electric heating defrosting structure of condensation type oil gas recovery device

By using a detachable clamp to wrap the return pipe in the condensing oil and gas recovery device and heating it with an electric heating wire, combined with a temperature control module, the problem of low defrosting and de-icing efficiency is solved, and the heat transfer efficiency and device operation stability are improved.

CN223954433UActive Publication Date: 2026-02-27SHENZHEN AUTOWARE SCI&TECH CO LTD
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Patent Information

Application Number
CN202520624425.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-02-27
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

In condensing oil and gas recovery devices, the defrosting and de-icing efficiency of the return liquid pipeline is low, which leads to a decrease in the performance of the heat exchanger.

Method used

The return pipe is wrapped with a detachable clamp structure. The electric heating wire is used to evenly transfer heat energy through the heat-conducting medium layer. Combined with the temperature control module, automatic temperature control is achieved, which improves heat transfer efficiency and avoids local overheating.

Benefits of technology

It improves the defrosting and de-icing efficiency of the return liquid pipeline, enhances the heat exchange effect of the heat exchanger, and reduces downtime caused by frosting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oil gas recovery devices, and discloses an electric heating defrosting structure of a condensation type oil gas recovery device, which comprises two oppositely arranged clamping plates, a heating pipe sleeve with a circular structure is formed by butting and closing the two clamping plates, and a heating cavity used for wrapping a liquid return pipe is formed in the heating pipe sleeve. A heat-conducting medium layer is arranged in the heating cavity, the heat-conducting medium layer is attached to the inner side wall of the heat-conducting medium layer, and an electric heating wire is arranged in the heat-conducting medium layer; the liquid return pipe is wrapped by the two detachable clamping plates, then electric energy is converted into heat energy through the electric heating wire, the electric heating wire evenly transmits the heat energy to the pipe wall of the liquid return pipe through the heat conduction medium layer, the heat transmission efficiency is improved, the liquid return pipe is heated, defrosted and deiced, and local overheating is also avoided; and the clamping plate can adopt a waterproof and explosion-proof shell to adapt to an oil-gas environment, so that the problem of low defrosting and deicing efficiency of a liquid return pipeline is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil gas recovery device, specifically, relate to condensing oil gas recovery device electric heating defrosting structure. BACKGROUND

[0002] The condensing oil gas recovery device is long time operation, and the fan outlet pressure will be big, and the heat exchange effect of heat exchanger is poor, the reason is that the humidity in oil gas is big, and the frost and ice are caused under the low temperature condition in the heat exchanger.

[0003] At present, the compressor exhaust high temperature is usually used to defrost in the industry, and the U-shaped pipe in the heat exchanger is high temperature, but the shell still exists in low temperature, and the defrosting is slow, which can cause the liquid return pipeline from the heat exchanger to the oil collecting tank to have no way to defrost and ice. UTILITY MODEL CONTENTS

[0004] The utility model discloses a condensing oil gas recovery device electric heating defrosting structure, which aims to solve the low defrosting and ice melting efficiency of the liquid return pipeline in the prior art.

[0005] The utility model discloses a condensing oil gas recovery device electric heating defrosting structure, which aims to solve the low defrosting and ice melting efficiency of the liquid return pipeline in the prior art.

[0006] Further, the heat conduction medium layer is arranged along the axial direction of the heating cavity.

[0007] Further, the heat conduction medium layer has an outer end face facing the inner side wall of the heating cavity, the outer end face is provided with a serpentine flow channel, the serpentine flow channel is arranged along the length direction of the outer end face, and the electric heating wire is embedded in the serpentine flow channel.

[0008] Further, the inner wall of the clamping plate is provided with an insulating layer, and the insulating layer is located between the heat conduction medium layer and the clamping plate.

[0009] Further, the front and rear ends of the heating pipe sleeve are provided with isolation edge strips, the isolation edge strips are arranged along the axial direction of the heating cavity, the isolation edge strips and the heating pipe sleeve are in an integrated structure, the inner end of the isolation edge strip movably abuts against the outer wall of the liquid return pipe, the outer end of the isolation edge strip is outwardly convexly provided and extends to form a flange portion, and the flange portion is provided with a bolt hole.

[0010] Further, the bottom end of one of the clamping plates is provided with a hinge joint, and the bottom end of the other clamping plate is recessed inward to form a hinge slot, and the bottom ends of the two clamping plates are hingedly connected through the hinge joint and the hinge slot.

[0011] Further, the first ends of the two clamping plates are connected through elastic buckles.

[0012] Further, the electric heating wire is electrically connected with a temperature control module.

[0013] Further, the temperature control module comprises a temperature sensor, a controller and a heating power supply, so as to realize automatic temperature control.

[0014] Further, the heat-conducting medium layer is filled with high-thermal-conductivity materials such as graphene or metal powder.

[0015] Compared with the prior art , The electric heating defrosting structure of the condensing type oil gas recovery device provided by the utility model is wrapped with two detachable clamping plates, and then electric energy is converted into heat energy by using an electric heating wire, the electric heating wire uniformly transmits the heat energy to the pipe wall of the liquid return pipe through a heat-conducting medium layer, the heat transmission efficiency is improved, the liquid return pipe is heated to defrost and melt ice, and local overheating is avoided; the clamping plate can adopt a waterproof and explosion-proof shell, and is suitable for oil gas environment, and the problem of low defrosting and ice melting efficiency of the liquid return pipe is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is the front view of the electric heating defrosting structure of the condensing type oil gas recovery device provided by the utility model;

[0017] Fig. 2 is the local cutaway view of the electric heating defrosting structure of the condensing type oil gas recovery device provided by the utility model;

[0018] Fig. 3 is the side view of the electric heating defrosting structure of the condensing type oil gas recovery device provided by the utility model.

[0019] In the drawing: clamping plate 10, heat-conducting medium layer 20, electric heating wire 30, insulating layer 40, heating pipe sleeve 50, temperature control module 60, elastic buckle 11, outer end surface 21, serpentine flow channel 22, heating cavity 51, isolation edge 52, flange part 53, bolt hole 54. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0021] The implementation of the present application will be described in detail below in connection with specific embodiments.

[0022] In the drawings of the embodiments, the same or similar reference numerals correspond to the same or similar components; in the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present application, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0023] Referring to Figs. 1-3 The preferred embodiment provided by the present application is shown in the drawings.

[0024] The electric heating defrosting structure of the condensing oil gas recovery device comprises two oppositely arranged clamping plates 10, both of which are arranged in a semicircular shape, the bottom ends of the two clamping plates 10 are connected through a hinge connection, the first ends of the two clamping plates 10 are connected through a snap-fit connection, and the two clamping plates 10 are butted and closed to form a circular structure of a heating pipe sleeve 50. A heating cavity 51 for wrapping a return liquid pipe is formed in the heating pipe sleeve 50, a heat conducting medium layer 20 is arranged in the heating cavity 51, the heat conducting medium layer 20 is attached to the inner side wall of the heat conducting medium layer 20, and an electric heating wire 30 is arranged in the heat conducting medium layer 20.

[0025] The electric heating defrosting structure of the condensing oil gas recovery device provided above wraps the return liquid pipe with two detachable clamping plates 10, and then converts electric energy into heat energy by using the electric heating wire 30. The electric heating wire 30 uniformly transmits heat energy to the pipe wall of the return liquid pipe through the heat conducting medium layer 20, improves the heat transfer efficiency, heats the return liquid pipe for defrosting and ice melting, and also avoids local overheating. The clamping plate 10 can adopt a waterproof and explosion-proof shell, which is suitable for oil and gas environment, and solves the problem of low defrosting and ice melting efficiency of the return liquid pipe.

[0026] In the embodiment, the heat conducting medium layer 20 is arranged along the axial direction of the heating cavity 51. In this way, the contact area between the heat conducting medium layer 20 and the heating pipe sleeve 50 can be increased, so that the heat energy is uniformly transmitted to the pipe wall of the return liquid pipe through the heat conducting medium layer 20, and the heat transfer efficiency is improved.

[0027] In the embodiment, the heat-conducting medium layer 20 has an outer end surface 21 facing the inner side wall of the heating cavity 51, and a serpentine flow channel 22 is arranged on the outer end surface 21 and extends along the length direction of the outer end surface 21, and the electric heating wire 30 is embedded in the serpentine flow channel 22. In this way, the contact area of the electric heating wire 30 with the heat-conducting medium layer 20 can be increased, so as to improve the heat transfer efficiency of the electric heating wire 30, and the stability of the electric heating wire 30 installed in the serpentine flow channel 22 can also be improved, so as to prevent the electric heating wire 30 from loosening or separating.

[0028] In the embodiment, an insulating layer 40 is arranged on the inner wall of the clamping plate 10 and located between the heat-conducting medium layer 20 and the clamping plate 10. In this way, the insulating layer 40 is double-protected by the clamping plate 10, so as to prevent electric leakage and high-temperature damage; and the insulating layer 40 can be made of ceramic fiber or silica gel.

[0029] In the embodiment, the front and rear end portions of the heating pipe sleeve 50 are provided with isolation edge strips 52, which are arranged around the axial direction of the heating cavity 51 and are integrated with the heating pipe sleeve 50, the inner end of the isolation edge strip 52 movably abuts against the outer wall of the liquid return pipe, the outer end of the isolation edge strip 52 outwardly protrudes to form a flange portion 53, and bolt holes 54 are formed in the flange portion 53.

[0030] The heating pipe sleeve 50 can isolate the heating cavity 51 from the external air through the isolation edge strip 52, so as to improve the heat preservation effect of the heating cavity 51, and the isolation edge strip 52 can be connected to another heating pipe sleeve 50 through the flange portion 53 and the bolt holes 54, so as to increase the wrapping length of the liquid return pipe and the connection stability between the structures.

[0031] In the embodiment, the bottom end of one clamping plate 10 protrudes to form a hinge joint, the bottom end of the other clamping plate 10 is recessed inward to form a hinge groove, and the bottom ends of the two clamping plates 10 are hingedly connected through the hinge joint and the hinge groove. In this way, the two clamping plates 10 do not need to be completely separated, and the installation efficiency and disassembly efficiency between the two clamping plates 10 can be improved.

[0032] In the embodiment, the first ends of the two clamping plates 10 are connected through the elastic fastener 11. In this way, the installation efficiency and disassembly efficiency of the two clamping plates 10 can be improved through the elastic fastener 11.

[0033] In the embodiment, the electric heating wire 30 is electrically connected with a temperature control module 60. In this way, the heating power can be optimized through the temperature control module 60, the device running stability can be improved, and the downtime caused by frosting can be reduced.

[0034] In the embodiment, the temperature control module 60 includes a temperature sensor, a controller and a heating power supply, and automatic temperature control is realized.

[0035] The temperature sensor of the temperature control module 60 is a thermocouple or a thermistor; the controller of the temperature control module 60 is a PID controller, precise temperature control is realized; and the heating power supply of the temperature control module 60 can be a direct current power supply, safety and stability are ensured.

[0036] In the embodiment, the heat-conducting medium layer 20 is filled with high-thermal-conductivity materials, such as graphene or metal powder.

[0037] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrically heated defrosting structure for a condensing oil vapor recovery device, characterized by, Two oppositely arranged clamping plates are provided, both of which are semi-circular, the bottom ends of the two clamping plates are connected by a hinge, the first ends of the two clamping plates are connected by a buckle, the two clamping plates are closed to form a circular heating pipe sleeve, a heating cavity for wrapping a return pipe is formed in the heating pipe sleeve, a heat conducting medium layer is arranged in the heating cavity, the heat conducting medium layer is attached to the inner side wall of the heat conducting medium layer, and an electric heating wire is arranged in the heat conducting medium layer.

2. The electric heating defrosting structure of the condensing type oil vapor recovery device according to claim 1, characterized in that, The heat conducting medium layer is arranged along the axial direction of the heating cavity.

3. The electric heating defrosting structure of the condensing type oil vapor recovery device according to claim 2, characterized in that, The heat conducting medium layer has an outer end face facing the inner side wall of the heating cavity, a serpentine flow channel is arranged on the outer end face, the serpentine flow channel extends along the length direction of the outer end face, and the electric heating wire is embedded in the serpentine flow channel.

4. The electric heating defrosting structure of the condensing type oil vapor recovery device according to claim 3, wherein An insulating layer is arranged on the inner wall of the clamping plate, and the insulating layer is located between the heat conducting medium layer and the clamping plate.

5. The electric heating defrosting structure of the condensing type oil vapor recovery device according to any one of claims 1 to 4, characterized in that, The front and rear ends of the heating pipe sleeve are provided with isolation strips, the isolation strips are arranged along the axial direction of the heating cavity, the isolation strips are integrated with the heating pipe sleeve, the inner end of the isolation strip is movably abutted against the outer wall of the return pipe, the outer end of the isolation strip is outwardly convexly extended to form a flange portion, and a bolt hole is formed in the flange portion.

6. The electrically heated defrosting structure of the condensing type oil vapor recovery device according to claim 5, wherein The bottom end of one clamping plate is provided with a hinge joint, the bottom end of the other clamping plate is inwardly recessed to form a hinge slot, and the bottom ends of the two clamping plates are connected by the hinge joint and the hinge slot.

7. The electrically heated defrosting structure of the condensing type oil vapor recovery device according to claim 6, wherein The first ends of the two clamping plates are connected by an elastic buckle.

8. The electric heating defrosting structure of the condensing type oil vapor recovery device according to claim 5, wherein The electric heating wire is electrically connected with a temperature control module.

9. The electrically heated defrosting structure for a condensing type oil vapor recovery device according to claim 8, wherein The temperature control module comprises a temperature sensor, a controller and a heating power supply, and realizes automatic temperature control.

10. The electrically heated defrosting structure of a condensing type oil vapor recovery device according to any one of claims 1 to 4, characterized in that, The heat conducting medium layer is filled with high-thermal-conductivity materials such as graphene or metal powder.